ENG_Product-Specification-Guide-for-Professionals

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Product Specification Guide 

for Professionals

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Contents

Purpose
Introduction
04

Technical 
Mechanical 
Drawings

Technical 
Specifications

About Ventus

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06

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About 
Ventus

Ventus is the flagship mechanical product line 
of D. Ellinas Factory Products Ltd, specializing in 
the design and manufacture of high-quality PVC 
ventilation products and solutions. Its product 
range includes air supply and return systems that 
are fully integrated into ceilings or walls, such as 
the 1 Slot Grille System© (C2020®), ceiling diffusers 
with integrated plenum for bathroom ventilation 
(Bathroom Air Extractors©, WCVent®), as well as 
access panels with return air capability for easy 
maintenance (Accessible Returning©, ProAirKit®).

Additionally, Ventus offers custom-designed 
ventilation systems for hotel rooms, emphasizing 
discreet aesthetics and efficient operation 
(Grille on Plenum©, ProAirKit®).

These products have been specified in thousands 
of projects worldwide. The demand for
ready-to-use solutions led to the creation of 
VENTUS Shops and Authorized Distributors across 
the globe.

VENTUS Shops by D. Ellinas and Official Resellers worldwide are listed on the official 
website: www.ventusair.eu

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Purpose of the Guide

This guide has been prepared to support the accurate and correct specification 
of products and mechanical lines in technical drawings. It provides examples to 
facilitate proper representation and reference, enhancing clarity and technical 
accuracy in project documentation.

The inclusion of the commercial names and the full product range, such as Ventus, 
C2020, ProAirKit, and WCVent, is essential to ensure quality, consistency, and 
effectiveness in implementation.

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Examples of Ventus Product Specifications 
in Technical Mechanical Drawings

Examples of Ventus Product Specifications 
in Technical Mechanical Drawings

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Examples of Ventus Product Specifications 
in Technical Mechanical Drawings

Examples of Ventus Product Specifications 
in Technical Mechanical Drawings

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Examples of Ventus Product Specifications 
in Technical Mechanical Drawings

Examples of Ventus Product Specifications 
in Technical Mechanical Drawings

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Examples of Ventus Product Specifications 
in Technical Mechanical Drawings

Examples of Ventus Product Specifications 
in Technical Mechanical Drawings

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Examples of Ventus Product Specifications 
in Technical Mechanical Drawings

Examples of Ventus Product Specifications 
in Technical Mechanical Drawings

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Examples of Ventus Product Specifications 
in Technical Mechanical Drawings

Examples of Ventus Product Specifications 
in Technical Mechanical Drawings

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Examples of Ventus Product Specifications 
in Technical Mechanical Drawings

Examples of Ventus Product Specifications 
in Technical Mechanical Drawings

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C2020 - CEILING/WALL – SUPPLY/RETURN DIFFUSER 
(PVC 1-SLOT GRILLE)

These diffusers will be used as supply diffusers and must have an aesthetically pleasing 
design suitable for installation in a false ceiling.

They will be elongated, slot-type diffusers, available in widths of 20mm, 25mm, 30mm, 
40mm, 50mm, and 65mm, suitable for both cooling and heating applications.

The diffusers will be made entirely of PVC, with a specialized profile for integration into the 
false ceiling. They will also feature an adjustable mechanism to control air deflection.

Each diffuser includes an integrated plenum made of 12 mm thick thermally insulating 
black PVC foam board, with cylindrical or oval connections suitable for connection to the 
main duct via flexible ducting.

Recommended type: VENTUS / C2020

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PVC RETURN AIR DIFFUSERS WITH FIXED LOUVERS – ACCESS PANEL

These will be linear rectangular diffusers suitable for ceiling installation, featuring a row of 
fixed louvers.

The louvers will be spaced 10mm apart and shaped to direct the returning air 
perpendicularly from the diffuser surface.

The diffuser frame will seal tightly to a metal frame for secure installation.

The diffuser will be made of PVC with extrusion and feature a closed-cell foam substrate 
with a smooth, non-glossy surface on both sides.

A removable EU2 filter will be integrated into the back of the diffuser.

The diffuser will also serve as an access panel.

If the diffuser is used as a free return, a black back panel will be installed to prevent 
visibility from the rear.

Recommended type:VENTUS / Perforated Access 8-5 with filter

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REVERSE LINEAR SUPPLY/RETURN GRILLES ON PLENUM BOX FOR
CEILING OR WALL MOUNTING (PVC)

All wall-mounted supply diffusers will be made of PVC and will not feature a perimeter flange.

They will be linear, rectangular diffusers suitable for wall mounting, with openings parallel to the 
long dimension and a fixed air supply angle of 0°.

Depending on the design, the opening width D will be either 8mm (type 8-5) or 12mm (type 12-
5).

Diffusers will be made of extruded PVC and include a closed-cell foam substrate with a smooth, 
non-glossy surface, unpainted to allow customization to match the wall color.

They will always be accompanied by a plenum made of 12mm thick thermal-insulating PVC 
foam board, with suitable connections for flexible ducting.

The diffuser shall be mounted flush with the wall.

All diffusers must be installed in a way that conceals the attachment method within the air box 
to minimize losses.

If used as a free return, a black back panel must be installed to prevent visibility from the rear.

Recommended type: VENTUS / REVERSE Linear Grille 8-5 & 
REVERSE Linear Grille 12-5

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www.ventusair.eu

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